The popyramids database was the first chichinabo project. It stores population data by sex and age groups, associated to a geographical area.
This gallery shows different apps that explore the popyramids database. You can check the current data availability in the project’s wiki.
One by One
Exploring one population pyramid at a time.
Map Catalog
Explore all the pyramids in the map by shape (up to 500 at a time).
Give Me Five
See the top 5 pyramids in the area at the same time.
Face to Face
Compare two popyramids from different areas, years or sources.